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<table width="100%" summary="page for Robey"><tr><td>Robey</td><td align="right">R Documentation</td></tr></table>

<h2>Fertility and Contraception</h2>

<h3>Description</h3>


<p>The <code>Robey</code> data frame has 50 rows and 3 columns.
The observations are developing nations around 1990.
</p>


<h3>Usage</h3>

<pre>
Robey
</pre>


<h3>Format</h3>


<p>This data frame contains the following columns:
</p>

<dl>
<dt>region</dt><dd>
<p>A factor with levels:
<code>Africa</code>;
<code>Asia</code>, Asia and Pacific;
<code>Latin.Amer</code>, Latin America and Caribbean;
<code>Near.East</code>, Near East and North Africa.
</p>
</dd>
<dt>tfr</dt><dd>
<p>Total fertility rate (children per woman).
</p>
</dd>
<dt>contraceptors</dt><dd>
<p>Percent of contraceptors among married women of childbearing age.
</p>
</dd>
</dl>



<h3>Source</h3>


<p>Robey, B., Shea, M. A., Rutstein, O. and Morris, L. (1992) 
The reproductive revolution: New survey findings. 
<EM>Population Reports</EM>. Technical Report M-11. 
</p>


<h3>References</h3>


<p>Fox, J. (2008)
<EM>Applied Regression Analysis and Generalized Linear Models</EM>,
Second Edition. Sage.  
</p>


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